From the side (girdle view), the S-shape of the valve of C. meneginiana, typical of this species, is apparent. The typical appearance of this species is as unicells, here 2 cells remained attached after division.
aalster and tzohary
A Alster & T Zohary, Kinneret Limnological Laboratory, IOLR
Photo taken with an Olympus BX50 Microscope equipped with DIC optics and PixeLink digital camera, mag. X100